1253085 has 16 divisors (see below), whose sum is σ = 2022720. Its totient is φ = 662400.

The previous prime is 1253071. The next prime is 1253089. The reversal of 1253085 is 5803521.

It is not a de Polignac number, because 1253085 - 2⁷ = 1252957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1253089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1785 + ... + 2385.

It is an arithmetic number, because the mean of its divisors is an integer number (126420).

2^1253085 is an apocalyptic number.

1253085 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1253085 is a deficient number, since it is larger than the sum of its proper divisors (769635).

1253085 is a wasteful number, since it uses less digits than its factorization.

1253085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 748.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 1253085 is about 1119.4127924944. The cubic root of 1253085 is about 107.8102807777.

The spelling of 1253085 in words is "one million, two hundred fifty-three thousand, eighty-five".